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Active standard | Published: 01/08/2026
ČSN EN ISO 23345
Jewellery and precious metals - Non destructive precious metal fineness confirmation by ED-XRF
Available languages: English
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Detail information
Designation: ČSN EN ISO 23345
Publication date: 01/08/2026
Pages: 20
Country: Czech technical standard
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This document describes a non-destructive method to verify (confirm) the precious metal fineness of finished and semifinished jewellery item(s) considered homogeneous by ED-XRF (energy dispersive X-ray fluorescence), including alloys according to ISO 9202.This document is not suitable for any coated items. WD-XRF (wavelength dispersive X-ray fluorescence) equipment cannot be used
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